diff --git "a/data/\345\205\250\347\250\213\350\275\257\344\273\266\346\265\213\350\257\225\357\274\210\347\254\2543\347\211\210\357\274\211.json" "b/data/\345\205\250\347\250\213\350\275\257\344\273\266\346\265\213\350\257\225\357\274\210\347\254\2543\347\211\210\357\274\211.json"
new file mode 100644
index 0000000000000000000000000000000000000000..9e26dfeeb6e641a33dae4961196235bdb965b21b
--- /dev/null
+++ "b/data/\345\205\250\347\250\213\350\275\257\344\273\266\346\265\213\350\257\225\357\274\210\347\254\2543\347\211\210\357\274\211.json"
@@ -0,0 +1 @@
+{}
\ No newline at end of file
diff --git a/main.py b/main.py
index db731070eaf4fbe35a0cc6cf328e9e271d19938e..55f6df8abe01c20841f91f4b0291a97795592a9e 100644
--- a/main.py
+++ b/main.py
@@ -1,4 +1,9 @@
 from src.ebook.extract_book_code import extract_code
+from src.ebook.community import send_topic
 
 if __name__ == "__main__":
     extract_code()
+    web_url = 'https://gitcode.net/csdn/content/book_code_825acb73c85c4c4bb9632afe858bc097/-/tree/master/'
+    print('-------' * 20)
+    print('开始向社区发帖')
+    send_topic(web_url)
\ No newline at end of file
diff --git a/src/ebook/community.py b/src/ebook/community.py
new file mode 100644
index 0000000000000000000000000000000000000000..9e5bbe0798a10322857e0ec8c2b3a0f0a928dbea
--- /dev/null
+++ b/src/ebook/community.py
@@ -0,0 +1,109 @@
+import os
+import json
+import html
+import requests
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+def get_files_path(file_dir, filetype='.txt'):
+    """得到文件夹下的所有.txt文件的路径
+    Args:
+        file_dir: 文件夹路径
+        filetype: 文件后缀
+    Returns:
+        所有filetype类型文件的绝对路径
+    """
+    files_path = []
+    for root, dirs, files in os.walk(file_dir):
+        for file in files:
+            if filetype is None or (os.path.splitext(file)[1] == filetype):
+                files_path.append(os.path.join(root, file))
+    return files_path
+
+
+def post(url, params, retry=3, headers=None):
+    if headers is None:
+        hdrs = {"Content-Type": "application/json"}
+    else:
+        hdrs = headers
+    fails = 0
+    while fails < retry:
+        try:
+            if headers is None:
+                data = json.dumps(params)
+            else:
+                data = params
+            logger.debug(f"will post {data} to {url}")
+            resp = requests.post(url, data, headers=hdrs, timeout=10)
+            if resp:
+                logger.info(f"resp {resp.content}")
+                return resp.json()
+            else:
+                logger.error(f"resp: [{resp}]")
+                fails += 1
+        except Exception as error:
+            logger.error(f"post {params} to {url} failed {error}")
+            fails += 1
+            if fails > retry:
+                raise error
+
+
+def send_topic(web_url):
+    data_dir = 'data'
+    book_dir = 'data/全程软件测试（第3版）/'
+    # web_url = "https://codechina.csdn.net/csdn/book_code_c798a5992a654857867ec15660e1c32a/-/blob/master/"
+    request_url = 'http://ccloud.internal.csdn.net/v1/internal/community/content/sendTopic'
+
+    files = get_files_path('data/全程软件测试（第3版）', '.java')
+    mapping_path = 'data/全程软件测试（第3版）.json'
+
+    if not os.path.exists(mapping_path):
+        chapter_code_mapping = {}
+        save_mapping = json.dumps(chapter_code_mapping,
+                                  ensure_ascii=False,
+                                  indent=2)
+        with open(mapping_path, 'w') as f:
+            f.write(save_mapping)
+
+    with open(mapping_path, 'r') as f:
+        chapter_code_mapping = json.load(f)
+
+    for file in files:
+        topic_title = file.replace(book_dir, '')
+        topic_title = topic_title.replace('/', '｜')
+        topic_title = topic_title.replace('　', '.')
+        # topic_title = html.escape(topic_title)
+        topic_content = web_url + file
+        topic_content = "代码：<a href=\"{}\">{}</a>".format(
+            topic_content, topic_title)
+
+        print(topic_title)
+
+        send_topic_request_param = {
+            "type": "long_text",
+            "cateId": 20965,
+            "content": topic_content,
+            "topicTitle": topic_title,
+            "mdContent": topic_content,
+            "communityId": 3822,
+            "loginUserName": "BBS_Assistant",
+            "bizNo": "ebook"
+        }
+
+        if chapter_code_mapping.get(file) is None:
+            resp = post(request_url, send_topic_request_param)
+            topic_link = resp['data']['content']['url']
+            chapter_code_mapping[file] = topic_link
+            print('{}:{}'.format(file, topic_link))
+            save_mapping = json.dumps(chapter_code_mapping,
+                                      ensure_ascii=False,
+                                      indent=2)
+            with open(mapping_path, 'w') as f:
+                f.write(save_mapping)
+        else:
+            send_topic_request_param['id'] = int(
+                chapter_code_mapping[file].split('/')[-1])
+            resp = post(request_url, send_topic_request_param)
+            print('{}:{}'.format(file, chapter_code_mapping.get(file)))